Really drop left-over activities between test classes in the same file

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33923 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -1069,7 +1069,7 @@ class ERP5TypeTestCase(backportUnittest.TestCase, PortalTestCase):
         portal_activities = self.portal.portal_activities
         # Drop remaining activities.
         count = portal_activities.countMessage()
-        portal_activities.manageClearActivities()
+        portal_activities.manageClearActivities(keep=False)
         if count:
           LOG('Products.ERP5Type.tests.ERP5TypeTestCase.beforeClose', DEBUG,
               'dropped %d left-over activity messages' % (count,))